Mayor Thomas M. Menino struggled to his feet at the podium. Menino fractured his ankle last week.

David L. Ryan/Globe Staff
| April 18, 2013

“We are one Boston. Nothing can tear down the resilience of this city,” Mayor Thomas M. Menino said.

David L. Ryan/Globe Staff
| April 18, 2013

President Obama sat in the Cathedral of the Holy Cross with Michelle Obama and Governor Patrick.

KEVIN LAMARQUE/REUTERS
| April 18, 2013

Boston University students Jake Dore, of Manchester, N.H., Sunny Abraham, of New York, kept warm outside the Cathedral of the Holy Cross as Obama spoke.

Yoon S. Byun/Globe Staff
| April 18, 2013

The South End cathedral was filled to capacity.

JEWEL SAMAD/AFP/Getty Images
| April 18, 2013

Business at Boston City Hall came to a halt as employees watched the service.

Evan Allen for the Boston Globe
| April 18, 2013

Cellist Yo Yo Ma played.

CJ GUNTHER/EPA
| April 18, 2013

Members of the Boston Children’s Chorus cried as they sang.

Whitehouse.gov Livestream
| April 18, 2013

Entering the service are Massachusetts US representatives William Keating, John Tierney, Joseph P. Kennedy III with Vicki Kennedy, the widow of late Senator Edward M. Kennedy, Edward Markey and Stephen Lynch.

David L. Ryan/Globe Staff
| April 18, 2013

Boston Mayor Thomas M. Menino, who fractured his ankle last week, passed the Obamas as he was wheeled into the church..

Charles Krupa/AP
| April 18, 2013

A man in a Boston Marathon jacket bowed his head as he waited for the service to begin.